Karyotypes found in the population declared at increased risk of Down syndrome following maternal serum screening
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1993 ◽
Vol 9
(1)
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pp. 47-48
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1995 ◽
Vol 7
(6)
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pp. 1413
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1996 ◽
Vol 16
(5)
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pp. 437-442
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1998 ◽
Vol 18
(8)
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pp. 842-845
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